linux-kernel - Re: [PATCH v2 08/39] scripts: get_abi.pl: prevent duplicated file names

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Date:   Tue, 08 Dec 2020 13:35:11 +0000
From:   Nícolas F. R. A. Prado 
        <nfraprado@...tonmail.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Oded Gabbay <oded.gabbay@...il.com>, Tom Rix <trix@...hat.com>,
        Vaibhav Jain <vaibhav@...ux.ibm.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 08/39] scripts: get_abi.pl: prevent duplicated file names

On Fri, Oct 30, 2020 at 08:40:27AM +0100, Mauro Carvalho Chehab wrote:
> The same filename may exist on multiple directories within
> ABI. Create separate entries at the internal database for
> each of them.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  scripts/get_abi.pl | 15 ++++++++++-----
>  1 file changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
> index e5a5588a8639..5612f019fae0 100755
> --- a/scripts/get_abi.pl
> +++ b/scripts/get_abi.pl
> @@ -65,7 +65,10 @@ sub parse_abi {
>  	my $name = $file;
>  	$name =~ s,.*/,,;
>  
> -	my $nametag = "File $name";
> +	my $fn = $file;
> +	$fn =~ s,Documentation/ABI/,,;
> +
> +	my $nametag = "File $fn";
>  	$data{$nametag}->{what} = "File $name";
>  	$data{$nametag}->{type} = "File";
>  	$data{$nametag}->{file} = $name;
> @@ -320,16 +323,18 @@ sub output_rest {
>  			my $fileref = "abi_file_".$path;
>  
>  			if ($type eq "File") {
> -				my $bar = $w;
> -				$bar =~ s/./-/g;
> -
>  				print ".. _$fileref:\n\n";
> -				print "$w\n$bar\n\n";
>  			} else {
>  				print "Defined on file :ref:`$f <$fileref>`\n\n";
>  			}
>  		}
>  
> +		if ($type eq "File") {
> +			my $bar = $w;
> +			$bar =~ s/./-/g;
> +			print "$w\n$bar\n\n";
> +		}
> +
>  		my $desc = "";
>  		$desc = $data{$what}->{description} if (defined($data{$what}->{description}));
>  		$desc =~ s/\s+$/\n/;
> -- 
> 2.26.2
> 

Hey Mauro,

just a heads-up.

It seems the ABI page is showing the full file names as shown in [1], like "File
/srv/docbuild/lib/git/linux/stable/firewire-cdev", while only the file name
would be enough, like "File firewire-cdev".

By reverting this patch I got exactly the intended behavior, but it seems you
were fixing other things with this, so perhaps just reverting is breaking
something that I can't see.

Could you look into what would be the right fix for this? :)

Thanks,
Nícolas

[1] https://www.kernel.org/doc/html/latest/admin-guide/abi.html